Phosphor screen cassette



FIG. 1 is a top perspective view of a phosphor screen cassette, on a reduced scale;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken line drawing of surface features on FIGS. 1 and 7 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for phosphor screen cassette, as shown and described. 